>sp|B4F234|CYSI_PROMH Sulfite reductase [NADPH] hemoprotein beta-component OS=Proteus mirabilis GN=cysI MKSQTQAPLVVEGKLSDSERMKKESNFLRGTISDDLQNGLTGGFEGDNFLLIRFHGMYQQ DDRDIRAERAQQLLEPRHAMMLRCRLPGGVITPKQWLSIDKFASENTLYGSIRITNRQTF QFHGILKGHVKPAHQMLASTGLDALATANDVNRNVLCTSNPEQSSLHQEAYEWAKKLSEH LLPRTHAYAEIWLDKEKVATTDEEPILGETYLPRKFKTSVVIPPYNDVDLHANDMNFIAI AENGHLVGFNVLVGGGLAMTHGDKKTFPRLASEFGYIPIDKTLAVAEAIVTTQRDWGNRT ERKNAKTKYTLERVGIETFKQEVERRSGVMFDMIRPYQFTHRGDQIGWLKGVDNKWYLTL FIESGRLIDKPNAPLKTGVAEIAKVHLGDFRLTANQNLIVAGVPEAQKEQIEAIARQYGL INDEVTPLRKHAMACVSFPTCPLAMAEAERFLPAFTDTLDNIMAKYGVSDEHIVVRVTGC PNGCGRAMLAEVGLVGKAPDRYNLHLGGNRMGTRIPRMYRENISSQEIIEILDTLIGQWA ISRELNEGFGDFLIRTDVIKPVVNSAIDFYEVQEVI